Improvement in compounds for artificial stone



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COATING 0R PLASTIC.

UNITED STATES CYRUS E. PEIROE, OF MCPHEBSON; KANSAS.

lMPROVEMENT IN COMPOUNDS FOR ARTIFICIAL STONE.

Specification forming part of Letters Patent No. 191,999, dated June 12, 1877; application filed February 20. [877.

sul huric acid three-four s o a pound; sodas silicas 'gor'marhle dusm five pounds; glue, one

oum car onate 'iotassa three pou common molasses one-hall gallon. Dissolve the glue in two gallons of soft water heatin it then E'dfi i h slowly up to the boiling point; e pqtg-fismandmolasses, and boil for ten minutes.

I then add the coppera's, sulphuric acid, marble-dust, (or sodee silicas,) and enough water to make up the twenty gallons.

it the above-described compound I slake my lime and add one part of so slaked lime to five or more parts of sand accor ing 1 s fineness, and one part oi cement moistened with the said compound to the consistency of molders sand, and press into molds to give the required configuration.

What I claim as my invention is- The artificial stone described, consisting of egg, w molasses, ooperate, m nim? a marble-d st, immanent, andswater, preparm c ompoundefin about the manner and proportions described.

OYR US E. PEIROE.

Witnesses R. M. CLARK, R. W. BULL. 

